A38-A419 Whitminster Roundabout Canal Bridges

The scheme shall ultimately deliver the construction of the canal through the A38 Whitminster Roundabout. The scheme shall include the construction of two new bridges, a canal channel within the roundabout and a towpath under the bridge, the work consists of the following: -

• The procurement, design and construction of two precast segmental box culverts (16m length, 7.45m clear span and 4.69m internal height). To include headwall beam and N2 parapets.
• Coordination of utility diversions including Severn Trent Water Main and W&W Gas Main.
• Coordination of utility lifting and protection to include 13No BT Ducts, Vodafone, 2 No CityFibre, 2 No COLT and Virgin Media. This will include procurement, design and erection of a service bridge to carry existing BT ducts when lifted to the required height.
• Construction of 6 No contiguous bore piled wing walls
• Construction of 2 No modular concrete block wing walls
• Construction of a canal channel between the two bridges within the centre of the roundabout, to include provision of a towpath and embankment retaining wall.
• Carriageway surfacing, kerbing and footpath amendments where the carriageway level will require raising to pass over the bridges.
• Partial replacement of the street light system on the roundabout
• Installation of N2 Vehicle Restraint Systems on the bridge approaches
• Installation of pedestrian guard railing
• Drainage amendments and partial culverting of the southern drainage ditch. Installation of 2 No oil interceptors prior to discharge into the canal.
• General vegetation and tree removal
• Excavation and transportation of up to 14,000m3 of material to a site in Northleach where it will require placement over a designated field.
• Replacement of road signs
• Roadmarking reinstatement
• Provision of 2 No ladders and horizontal recycled plastic fenders to be fixed to the towpath retaining wall
• Media support during construction including time-lapse cameras, webcam and regular aerial images.

Tender period :30th August 2019 to 4th October 2019 Anticipated Works Start Date :2nd December 2019 Completion :16th October 2020 Indicative Value :£2.5m

The proposed procurement route will be a single stage (sub-OJEU Open Procedure) using the NEC4 ECC form of Contract, Option A Priced Contract with Activity Schedule.

Full details will be available in the tender pack.